/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--brand-primary);
  color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background: var(--brand-primary-hover);
  box-shadow: 0 2px 8px var(--brand-primary-shadow);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--surface-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--surface-hover);
  border-color: var(--surface-border-hover);
}

.btn-ghost {
  background: none;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: none;
  color: var(--red-600);
  padding: 0.5rem 0.75rem;
}

.btn-danger:hover:not(:disabled) {
  background: var(--red-50);
  color: var(--red-700);
}

.btn-large {
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
}

.btn-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

/* Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--input-bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  line-height: 1.4;
}

.form-input:focus {
  outline: none;
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-prefix {
  position: relative;
}

.form-prefix .prefix {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.9rem;
  pointer-events: none;
}

.form-prefix .form-input {
  padding-left: 1.75rem;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
}

.badge-green {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary-border);
}

.badge-gray {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Modal / Overlay */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease-out;
}

[data-theme="dark"] .modal-backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  animation: fadeIn 0.2s ease-out;
  border: 1px solid var(--surface-border);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--surface-border);
}

.modal-header h2 {
  font-size: 1.1rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--surface-border);
}

/* Close button */
.close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-tertiary);
  transition: all 0.15s;
  font-size: 1.2rem;
}

.close-btn:hover {
  background: var(--surface-hover);
  color: var(--text-secondary);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  max-width: 400px;
  margin-bottom: 1.5rem;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--surface-border);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-large {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--surface-border);
  margin: 1.5rem 0;
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--brand-primary);
}

/* Confirm dialog */
.confirm-dialog {
  text-align: center;
  padding: 2rem 1.5rem;
}

.confirm-dialog p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.confirm-dialog .btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}